Home / 455,574,502.92-683,478,238.86-132,458,374.92

Finding the Fourth Proportional to 455,574,502.92, 683,478,238.86 and 132,458,374.92

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Solution

The fourth proportional to 455,574,502.92, 683,478,238.86 and 132,458,374.92 is: 198,721,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,574,502.92 : 683,478,238.86 = 132,458,374.92 : x
  2. Step 2: Convert to fraction form
    455,574,502.92/683,478,238.86 = 132,458,374.92/x
  3. Step 3: Cross multiply
    455,574,502.92x = 683,478,238.86 × 132,458,374.92
  4. Step 4: Simplify right side
    455,574,502.92x = 90,532,416,812,579,200
  5. Step 5: Solve for x
    x = 90,532,416,812,579,200/455,574,502.92
  6. Step 6: Final answer
    x = 198,721,430.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.